Mitsubishi Heavy Industries SRK50ZJP-S User Manual

-
51
-
'10 • SRK-T-100
Over heat of compressor
[Gas shortage, defective discharge
pipe sensor]
Is discharge pipe sensor
resistance value good?
(page 49)
Is sufcient quantity of refrigerant
circulated?
Defective outdoor PCB
YES
YES
NO
NO
YES
NO
Check if there are any
places where gas is leaking.
Connector connection check, resistance
value check, replacement of discharge pipe
sensor
Does trouble persist after
charging gas?
Clogged capillary tube or
strainer, defective EEV, etc.
Error of signal transmission
[Wiring error including power cable, defective indoor/
outdoor PCB]
Does error persist after power
reset?
Are the lines connecting the indoor
and outdoor units connected
normally?
Is DC 0~Approx. 12V detected
between
②
~
③
terminals on
indoor unit terminal block?
YES
YES
NO
NO
YES
NO
Trouble by transient cause, not unit trouble.
Correct improper wire connection on indoor/
outdoor unit.
Defective indoor PCB
YES
YES
NO
NO
Is DC 0~Approx. 12V detected
between
②
~
③
terminals on
outdoor unit terminal block?
Is AC 220/230/240V applied
between
①
~
②
on the outdoor side
terminal block?
Defective indoor PCB. Check crossover wires.
Defective outdoor PCB
Check crossover wires.

Mitsubishi Heavy Industries SRK50ZJP-S Specifications

General

Brand	Mitsubishi Heavy Industries
Model	SRK50ZJP-S
Category	Air Conditioner
Language	English